Filter



(No Model.)

1". B. ARENDELL.

vFILTER.

Patented Nov. 20, 1894;

m: NORRIS PEYERS co. FHOTO-LITHQ, wAsHmcToN, a. c,

UNITED TATES arnwr @WFIQE FALOONER B. ARENDELL, OF SALISBURY, NORTHCAROLINA.

FILTER.

SPECIFICATION forming part of Letters Patent No. 529,471, dated November20, 1894.

Application filed January 11, 1894. Serial No. 496,517. (No model.)

To a whom it may concern.-

Be it known that I, FALooNER B. AREN- DELL, a citizen of the UnitedStates, residing at Salisbury, in the county of Rowan and State of NorthCarolina, have invented certain new and useful Improvements in Filters;and I do declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to the letters of reference markedthereon, which form. a part of this specification.

My invention relates to an improvement in that class of filters whereinthe water to be filtered is allowed to pass through a filtering agency,with or without the application of any additional force; and it consistsin certain improved features of construction and combina tions of partswhereby the general efficacy of the device is increased, all of whichwill now be fully described.

The primary object contemplated by my invention is to produce a filterwhich may be more readily cleaned from time to time, thus ridding it ofrefuse matter which is known to accumulate in such appliances.

A further object, and one closely associated with the first, is to makethe filter more effective in operation, and at the same time so thatthecleaningmechanism will notinterfere with the operation of thefiltering devices.

Referring to the accompanying drawings for a detailed description of thedevice: Figure 1, represents a vertical section taken through thecomplete arrangement, and Fig. 2, a sectional view showing in elevatedperspective the internal parts.

The reference letter A, indicates a cylindrical body portion formedpreferably of sheet metal. Entering the body portion A, at its upper endis the inlet or supply nozzle A, which is perforated so as to effect aregular distribution of the water, and which is connected to the mainsupply pipe at. The pipe a extends horizontally across the upper end ofthe body A, and on each side of the nozzle A, stop cocks a a. beingprovided and located on either side of the nozzle A whereby eithersection of the pipe may be taken out of Y communication with the nozzle.

To the right of the nozzle A the pipe a, after extending horizontally tothe edge of the body, turns downwardly and extends parallel with thebodys vertical side, until the bottom of the latter is reached,whereupon it proceeds to the water source. On the left of the nozzle Athe pipe a extends to the edge of the body, from whence it proceeds inany convenient direction, its purpose being to carryoff the water usedin cleaning the filter. Consequently the terminalof this pipe isimmaterial.

Formed in the body A, at a point near its base is a flange or bossedopening B, into which opening the pipe B is iminovably secured. The pipeB extends from the openingB horizontally into the body of the filter andto a point near the side opposite the opening B. Formed throughout thepipe B is a series of perforations which admit the passage of waterthrough the pipe, and the outer side of the pipe is wrapped with a brassor copper sieve 'b which serves to assist in the filtering process andto protect the pipe from the materials used in filtering. This willappear at length hereinafter.

Adapted to be screwed into the pipe B is a second perforated pipe I),which extends within the first pipe and very nearly its entire length.This latter pipe is wrapped with flannel or other yarn fabric b theflannel being arranged on its outer side and of such a quantity as tonearly fill the space between the two pipes. Arranged within the pipe 1)is a bulk of charcoal O, which assists in the filtering operation.

Arranged at the opening B and in communication with the pipe Z), is anoutlet noz zle G, provided with a valve or faucet C and with an offset0. This latter device, 0, is provided with a coupling 0 adapted toremovably connect the offset and the pipe D. The office of this pipe Dis to conduct the filtered water through the building, or to any placewhere it may be required.

The letter (1 indicates a perforated tube or pipe, arranged at the baseof the body A, and projecting upwardly from said base to a point aslight distance below the pipe B. Here the pipe d branches horizontallyin two direc tions, the branches extending at right angles to thelongitudinal extent of the pipe B, and terminating at points beyond thesides of said pipe. Arising from the T-ends d, of

the branches of the pipe d, are the vertical tubes E, which are four innumber, two for each branch of the pipe (1, and the entire system, pipesE and branches of the pipe (1, is perforated so as to admit the passageof water through them The vertical pipes E extend up, two on each sideof the pipe B, to a point midway the vertical extent of the body A, andtheir purpose,together with the pipe at and itsbranches, is to admit anddistribute the stream of cleansing water. The pipe 11 communicates withthe external pipe e, which in turn is connected to the supply pipe at,and by which means the water is conducted to the system of perforatedpipes just described.

A valve 6' is provided for the pipe 0, and by means of said valve theflow of water through the piper. is controlled. Connected to the pipe 6at a point directly below the pipe 01 is a drain or waste nozzle E,which is provided with a stop cock F, by which the flow of watertherethrough may be allowed or suppressed at will.

By means of the nozzle, F, the water may be drained from the filter, aswill be necessary where there is danger of freezing. Arranged within thebody A and occupying all of the space between the base and a point justabove the upper ends of the pipes E, is a layer of filtering material g.This consists of equal portions of sand and iron filings commingled witheach other and packed until the proper degree of density has beenattained. This compound of filtering material is made to fill everyunoccupied part of the body A, within the space before designated, sothat it will be impossible for water to pass through the filter withoutbeing subjected to its action.

To filter water with my invention the valves e and a are closed andvalve a opened. The stream of water is then turned on, and allowed topass through the pipe (.t and nozzle A and into the filter on top of thefiltering material g. The stream of water through the pipe a should beof a volume commensurate with the capacity of the filter, so that theamount of water fed to the device will be equal to that emitted by thenozzle 0 and the distributing pipe D. This condition will exist when thefilter is being used continually and when a steady stream of water ispassing through it, but when it is simply used at intervals it will benecessary to check the flow of water through the pipe at by means of thecook 0,, whenever the space above the filtering material 9 is filledwith water. After entering the body A, the water percolates by gravitydown to the pipe B, which it enters, and after proceeding through thepipe I) and its attachments is ready to be drawn off by the nozzle 0 ordistributing pipe D. Thus it will be seen that the water will, afterbeing submitted to the action of those various filtering agencies, berelieved of sediment in a superior manner, and greatly purified.

When it is desired to clean the filter the valves a and C are closed andthe valve e opened. I The stream of water through the pipe is thenturned on and the water proceeds to the body A, via the pipe (2 andpasses into the same through the perforated pipes E. From hence itproceeds to the upper portion of the body, and when this is filled thewater passes out by way of the nozzle A into the upper portion of thepipe on. Here the water passes the valve a and proceeds to the waste ashas been before explained. By this means the filter and all of its partsare thoroughly cleaned and relieved of all objectionable accumulations,and the filtering material is prevented from passing out with the wasteby means of the perforations in the nozzle A. After the filter has beensulfi- *ciently cleaned the order of the valves isreversed and thestream introduced as before described, at which time the filteringmaterial will settle to its normal condition, and the apparatus be readyfor use as a filter.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is V 1. A filter comprising a body having anoutlet opening, a perforated tube permanently located within andattached to the filter body and surrounding the said outlet opening, asecond perforated tube removably inserted in the first tube through thesaid outlet opening and normally closing the latter and provided at itsouter end with a fancet, a filtering medium within and exterior to thesaid inner perforated tube, substantially as described.

2. A filter comprising a body having an outlet opening provided with aboss which is internally threaded, a perforated tube carried by andsupported upon the boss, a second perforated tube having a faucet andprovided with a threaded portion by means of which it is removablyattached to the said boss, filtering material within the secondperforated tube and a surrounding filtering medium of sheet material,substantially as set forth.

3. A filter comprising abody,an inlet opening at the upper portion, awaste pipe con1- municating with the lower portion, a second waste pipeconnected with the inlet opening,

a supply pipe connected with the said inlet opening and with the twowaste pipes, a perforated tube having a discharge nozzle disposed in thelower portion of the body, a vertical series of perforated tubesarranged among the filtering material in the body and extending from thebottom to within a short distance from the top of the said filteringmaterial, and having connection with the supply pipe, and controllingvalves for the several pipes, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

FALOONER B. ARENDELL.

\Vitnesses:

J. M. MoOoRKLE, J. M. HILL.

III)

